What grade of fuel do you burn in you CJ?
BusaDave9
Always Off-Roading Jeeper
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- 1979 Jeep CJ5 with 304 V8, T18 Transmission, Dana 20 Transfer case with TeraLow 3:1 gears, 4.88 axle gears, Detroit Locker up front and Ox Locker in back with 1 piece axle shafts, 36" SuperSwamper SX Tires, Shackle reversal, MileMarker Hydraulic winch, MSD 6A ignition.
As has been repeated many times in this thread high octane gas doesn't produce more power but it can prevent detonation in a high compression / high performance engine. The lie that high octane gas produces more power is often propagated by the gas companies. I remember a commercial for Exxon Gas that showed two cars driving until one ran out of gas. The claim was that their high octane gas got better mileage. Yes, maybe they did make a test that showed their gas got 0.1% better gas mileage than some cheep convenience station gas.
I laugh when I see a Prius fill up on high octane gas. If I was any more of a smart <-BAD WORD-> I would ask "is that radical cam and 12 to 1 compression causing detonation and pings in your Prius?"
I laugh when I see a Prius fill up on high octane gas. If I was any more of a smart <-BAD WORD-> I would ask "is that radical cam and 12 to 1 compression causing detonation and pings in your Prius?"